Thank you very much for the advice about the traps and how to use the kittens as enticement. I had thought of the kittens as the best enticement, but couldn't think of how to put that into action. And I didn't think about covering the trap, either, except as a way to conceal it *before* she went in. I will have to try - we can't keep having her as a kitten factory - she has had kittens before, and we have found homes for them, but it isn't a good situation for anyone for this poor stray to keep having kittens, and for us to be stressed out by the responsibility we feel, just because we know they are there, and we have been feeding her, and we haven't captured her yet. (As I said, the one Have-a-Heart that we tried, borrowed from the Humane Society, didn't work because she didn't trip the trigger.)